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1 #include <octave/oct.h> |
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2 #include <octave/ov-struct.h> |
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3 |
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4 DEFUN_DLD (structdemo, args, , "Struct demo.") |
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5 { |
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6 int nargin = args.length (); |
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7 octave_value retval; |
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8 |
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9 if (nargin != 2) |
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10 print_usage (); |
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11 else |
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12 { |
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13 Octave_map arg0 = args(0).map_value (); |
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14 std::string arg1 = args(1).string_value (); |
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15 |
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16 if (! error_state && arg0.contains (arg1)) |
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17 { |
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18 // The following two lines might be written as |
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19 // octave_value tmp; |
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20 // for (Octave_map::iterator p0 = |
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21 // arg0.begin(); |
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22 // p0 != arg0.end(); p0++ ) |
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23 // if (arg0.key (p0) == arg1) |
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24 // { |
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25 // tmp = arg0.contents (p0) (0); |
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26 // break; |
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27 // } |
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28 // though using seek is more concise. |
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29 Octave_map::const_iterator p1 = arg0.seek (arg1); |
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30 octave_value tmp = arg0.contents(p1)(0); |
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31 Octave_map st; |
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32 st.assign ("selected", tmp); |
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33 retval = octave_value (st); |
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34 } |
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35 } |
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36 return retval; |
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37 } |
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38 |
